text: #include "chain.hpp"
  #include "range.hpp"
  #include "map.hpp"
  #include "TEST_UTILS.hpp"
  
  
  using namespace ACCBOOST;
  
  
  int main()
  {
    {
      auto a = range(3);
      auto b = range(5);
      TEST_UTILS::dump(chain(a, b));
    }
  
    {
      TEST_UTILS::dump(chain(range(3), range(5)));
    }
  
    return 0;
  }
  